Folding chair



FIG. 1 is a side perspective view of a folding chair embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view opposite to FIG. 1 thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a folding chair, substantially as shown. 